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Commonwealth Fusion Systems is seeking Mechanical and Magnet Engineering Interns for spring or summer 2027. Interns take on meaningful, challenging assignments, with specific projects and technical skills varying according to each team’s needs. Internship opportunities are available in Devens, Massachusetts, and may include tooling and hardware design to accelerate magnet production and SPARC assembly; multiphysics and structural analysis, including optimization and cost reduction for magnet systems and tokamak structures; and prototyping and next-generation architecture optimization to support design-for-manufacturing and design-for-assembly trade studies, cost reduction, and commercialization of fusion systems. On-site interns are responsible for their own transportation and housing. Interns must be authorized to work in the United States for any employer. The role requires compliance with U.S. export control laws.
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